| About |
|---|
| Menzolit® BMC 2500 is a bulk moulding compound based on unsaturated polyester resin. The product is glass fibre reinforced and contains mineral fillers. In case of fire the product doesn’t melt, neither does it form droplets nor is smoke generation excessive. The material is injection moulded in heated steel moulds. It is recommended to work with chrome plated tools. The product contains no halogens. Menzolit® BMC 2500 is a special BMC for high voltage isolating applications. The glass content is set to a level that combines good mouldability with good strength and stiffness properties. The fire retardancy level HB according to the UL 94 is achieved. The electrical properties are improved to have exceptional high isolation properties. When moulding this material, a high moulding pressure is important to achieve a well densified material matrix to guarantee high voltage applications. Typical applications are isolating components in high voltage applications.&& |
| Product Description | |
|---|---|
| Generic | 热固性聚酯 |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,Low smoke,Good Electrical Properties,Halogen free,Flame Characteristics,High Heat Resistance,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.90 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| — | 0.0 | % | DIN 53464 |
| — | 0.50 | % | ISO 2577 |
| Water absorption rate | |||
| Saturation, 23 ℃ | < 0.30 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| Compression Molding | 13000 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, molding | 31.0 | MPa | ISO 527-2 |
| Bending modulus | |||
| Compression Molding | 10000 | MPa | ISO 178 |
| bending strength | |||
| Compression Molding | 100 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| Compression Molding | 23 | kJ/m² | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | > 150 | ℃ | ISO 75-2/A |
| Continuous use temperature | 180 | ℃ | Internal Method |
| Glass transition temperature | 185 | ℃ | DSC |
| Linear coefficient of thermal expansion | |||
| MD | 1.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+13 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric strength | 40 | kV/mm | IEC 60243-1 |
| Dissipation factor | 0.010 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 3.00 mm | HB | UL 94 | |
| Extreme oxygen index | 22 | % | ISO 4589-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Mold temperature | 135 to 150 | °C | |
| Injection pressure | 2.00 to 8.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Post Molding Shrinkage |
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